half wave

简明释义

半波长

英英释义

例句

1.In radio technology, a half wave 半波 rectifier is commonly used for converting AC to DC.

在无线电技术中，半波整流器通常用于将交流电转换为直流电。

2.The half wave 半波 dipole antenna is one of the simplest and most effective antennas.

半波偶极天线是最简单和最有效的天线之一。

3.Using a half wave 半波 transformer can help in impedance matching in circuits.

使用半波变压器可以帮助电路中的阻抗匹配。

4.The signal strength is maximized when the distance is an integer multiple of the half wave 半波 length.

当距离为半波长度的整数倍时，信号强度达到最大。

5.The antenna is designed to operate efficiently at a frequency corresponding to a half wave 半波 length.

该天线设计用于在与半波长度相对应的频率下高效工作。

作文

The concept of half wave is fundamental in various fields such as physics and engineering, particularly in the study of waves and oscillations. A half wave refers to the distance over which a wave's shape repeats itself; it is essentially half of the wavelength. Understanding this concept can help in analyzing different types of waves, including sound waves, light waves, and electromagnetic waves.In physics, waves are disturbances that transfer energy from one point to another without transferring matter. The half wave plays a crucial role in understanding how waves interact with each other and with their environment. For instance, in the case of sound waves, when two waves meet, they can interfere constructively or destructively. This interference can be better understood by examining the half wave intervals, where the peaks and troughs of the waves align or misalign.Moreover, the half wave is significant in the design of various technologies. For example, in telecommunications, antennas are often designed to resonate at specific frequencies, which are closely related to the half wave lengths of the signals they transmit or receive. A dipole antenna, for instance, is typically designed to be a half wave long, allowing it to effectively radiate electromagnetic waves.In optics, the half wave plate is a device used to manipulate the polarization of light. By introducing a half wave phase shift between two orthogonal polarization states, it can convert linearly polarized light into circularly polarized light and vice versa. This principle is widely used in various optical applications, including lasers and imaging systems.The practical implications of understanding half wave phenomena extend beyond theoretical knowledge. For instance, in music, the concept can be applied to the design of musical instruments. Stringed instruments, such as violins and guitars, utilize the principles of half wave vibrations to produce sound. The length of the vibrating string determines the pitch of the note produced, and this length is often a half wave multiple of the wavelength of the sound it generates.In conclusion, the term half wave encapsulates a crucial aspect of wave theory that permeates various scientific and engineering disciplines. From understanding sound and light to designing effective communication systems, the implications of half wave concepts are vast and significant. Mastering this idea not only enhances our comprehension of physical phenomena but also empowers us to innovate and improve technology in our everyday lives.

“半波”这个概念在物理学和工程等多个领域是基础性的，尤其是在波动和振荡的研究中。半波指的是一个波形重复自身的距离；它本质上是波长的一半。理解这一概念有助于分析不同类型的波，包括声波、光波和电磁波。在物理学中，波是将能量从一个点传递到另一个点的扰动，而不转移物质。半波在理解波如何相互作用以及与其环境的相互作用中起着至关重要的作用。例如，在声波的情况下，当两波相遇时，它们可以发生建设性或破坏性的干涉。这种干涉可以通过检查半波间隔来更好地理解，在这些间隔中，波的峰和谷会对齐或错开。此外，半波在各种技术的设计中也具有重要意义。例如，在电信中，天线通常被设计为在特定频率下共振，这些频率与它们所传输或接收的信号的半波长度密切相关。例如，偶极天线通常设计为半波长，使其能够有效辐射电磁波。在光学中，半波板是一种用于操纵光的偏振的设备。通过在两个正交偏振状态之间引入半波相位差，它可以将线性偏振光转换为圆偏振光，反之亦然。这一原理广泛应用于激光和成像系统等各种光学应用中。理解半波现象的实际意义超越了理论知识。例如，在音乐中，这一概念可以应用于乐器的设计。弦乐器，如小提琴和吉他，利用半波振动的原理来产生声音。振动弦的长度决定了产生音符的音调，而该长度通常是其产生的声音波长的半波倍数。总之，术语半波概括了波动理论中的一个关键方面，这一理论渗透到各个科学和工程学科中。从理解声波和光波到设计有效的通信系统，半波概念的影响广泛而重要。掌握这一理念不仅增强了我们对物理现象的理解，而且使我们能够在日常生活中创新和改善技术。